Structure of an atom vocabulary

8.5A: describe the structure of atoms including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud

Objectives

The smallest unit of an element that maintains the properties of that element

La unidad más pequeña de un elemento que mantiene las propiedades de ese elemento

Atom

Positively charged center of an atom

Centro de un átomo cargado positivamente

Nucleus

Anything that has mass and takes up space

Cualquier cosa que tenga masa y ocupe espacio

Matter

Multiple Choice

the central region of an atom where most of the atom's mass can be found

• core

• center

• electron cloud

• nucleus

Multiple Choice

All matter is made up of...

• Compounds

• Energy

• Electrons

• Atoms

Subatomic Particle

A particle smaller than an atom

Una partícula más pequeña que un átomo

Proton

A subatomic particle that has a positive charge and that is located in the nucleus of an atom

Una partícula subatómica que tiene una carga positiva y que se encuentra en el núcleo de un átomo

A subatomic particle that has neutral (neither positive nor negative) charge and is located in the nucleus

Una partícula subatómica que tiene carga neutra (ni positiva ni negativa) y está situada en el núcleo

Neutron

A subatomic particle that has negative charge and is located outside of the nucleus

Una partícula subatómica que tiene carga negativa y está situada fuera del núcleo

Electron

Space outside of nucleus where electrons are likely to be found

Espacio fuera del núcleo donde es probable encontrar electrones

Electron Cloud

Multiple Choice

What are the 3 subatomic particles that make-up the atom?

• protons, neutrons, and electrons

• positives, negatives, and electrons

• neutrons, isotopes, and electrons

• protons, neutrons, and isotopes

Multiple Choice

The positive particles of an atom are 

• protons

• neutrons

• electrons

• electron cloud

Multiple Choice

Particles in an atom that are neutral and have no charge are 

• protons

• neutrons

• electrons

• electron cloud

Multiple Choice

Which particle has a negative charge?

• protons

• neutrons

• electrons

• electron cloud

The number of protons in the nucleus of an atom

El número de protones en el núcleo de un átomo

Atomic Number

Bohr Model

Diagrams that depicts a positively charged nucleus and negatively charged electrons in rings outside of the nucleus

Diagramas que representan un núcleo cargado positivamente y electrones cargados negativamente en anillos fuera del núcleo

Name Atomic
Symbol

Atomic Mass (average)

Atomic
Number
Element

​Element name

Atomic Number =
Protons =
Electrons

Mass Number -
Atomic Number =
Neutrons

Multiple Choice

The atomic number tells you what?

• 
  number of electrons

• number of protons

• 
  number of neutrons

• both electrons and protons in an atom.

Fill in the Blanks

How many protons does this atom have?